All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=741723

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=64bb888f955d59418d18adb9a0f81a2719e91c898da4418f1b77d20b48a698a4


Bot(s) for this bug's original alert(s):

chromium-rel-mac-retina

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8974256511226060240

=== BISECT JOB RESULTS ===
Perf regression found with culprit

Suspected Commit
  Author : Chong Zhang
  Commit : 7c75487d4702daeff63df2bd7f4a288052cd054c
  Date   : Tue Jul 04 21:03:40 2017
  Subject: Flush TouchPad generated GestureScrollEnd immediately

Bisect Details
  Configuration: mac_retina_perf_bisect
  Benchmark    : smoothness.top_25_smooth
  Metric       : percentage_smooth/Blogger
  Change       : 9.72% | 69.4033782193 -> 62.0724896019

Revision             Result                  N
chromium@484144      69.4034 +- 7.62581      9      good
chromium@484151      69.7111 +- 3.38406      6      good
chromium@484155      69.7736 +- 3.93405      6      good
chromium@484156      69.8959 +- 8.69278      6      good
chromium@484157      62.4577 +- 4.24399      6      bad       <--
chromium@484158      63.2119 +- 4.58747      9      bad
chromium@484172      62.0725 +- 3.08541      6      bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=release --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=Blogger smoothness.top_25_smooth

More information on addressing performance regressions:
  http://g.co/ChromePerformanceRegressions

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8974256511226060240


For feedback, file a bug with component Speed>Bisection